A multiverse scifi story! A convention of variations of the protagonist meet up – they discover divergence points, similarities, identities, and a body (of course, you did catch the Agatha Christie reference?).

Thoroughly enjoyable, and rightfully among the Locust Recommended Reading 2017.

You can find it online here: https://uncannymagazine.com/article/and-then-there-were-n-one/